A man spends 20% of his monthly salary on food and one-fourth of the remaining salary on charity. If he saves Rs. 9,600 per month, which is equal to half of the balance after spending on food and charity, then his monthly salary is:

32000

let salay be 100% 100%-20% = 80% out of 80% he spent 1/4 = 80*1/4=20% so total spent = 20%+20%=40% so according to question 9600 is half after spent so , 9600*2 = 19200 which is equal to 60% 60%=19200 100%=x now cross muultiply = 60*x=100*19200 x = 32000

44800